He saved OpenAI, invented the “Like” button, and built Google Maps: Bret Taylor (Sierra)
Its Sierra agent holds a 4.6 out of 5 satisfaction score.

A weight management company that uses a Sierra customer service agent.
Its Sierra agent holds a 4.6 out of 5 satisfaction score.
Health & FitnessA meditation and sleep app with guided sessions and celebrity-narrated Sleep Stories.
Health & FitnessA calorie tracking app that logs meals from photos, grown largely through influencer and UGC videos.
Health & FitnessA meditation and mental wellness app with guided sessions and subscriptions.
Health & FitnessA data tool that combines app analytics into one view and is adding AI agents.
Health & FitnessA strength training app with human coaches, a workout journal and a nutrition feature.
Health & FitnessAn intermittent fasting tracker app that teaches fasting and builds habits toward metabolic health.
Health & FitnessA sleep and energy app that helps people track and pay down their sleep debt.
Health & FitnessA personalized running coach app that builds adaptive training plans around a runner's race goals.